GSD-2020-13671

Vulnerability from gsd - Updated: 2023-12-13 01:21
Details
Drupal core does not properly sanitize certain filenames on uploaded files, which can lead to files being interpreted as the incorrect extension and served as the wrong MIME type or executed as PHP for certain hosting configurations. This issue affects: Drupal Drupal Core 9.0 versions prior to 9.0.8, 8.9 versions prior to 8.9.9, 8.8 versions prior to 8.8.11, and 7 versions prior to 7.74.
Aliases
Aliases
CVE-2020-13671
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{
  "GSD": {
    "alias": "CVE-2020-13671",
    "description": "Drupal core does not properly sanitize certain filenames on uploaded files, which can lead to files being interpreted as the incorrect extension and served as the wrong MIME type or executed as PHP for certain hosting configurations. This issue affects: Drupal Drupal Core 9.0 versions prior to 9.0.8, 8.9 versions prior to 8.9.9, 8.8 versions prior to 8.8.11, and 7 versions prior to 7.74.",
    "id": "GSD-2020-13671"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-13671"
      ],
      "details": "Drupal core does not properly sanitize certain filenames on uploaded files, which can lead to files being interpreted as the incorrect extension and served as the wrong MIME type or executed as PHP for certain hosting configurations. This issue affects: Drupal Drupal Core 9.0 versions prior to 9.0.8, 8.9 versions prior to 8.9.9, 8.8 versions prior to 8.8.11, and 7 versions prior to 7.74.",
      "id": "GSD-2020-13671",
      "modified": "2023-12-13T01:21:47.278026Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cisa.gov": {
      "cveID": "CVE-2020-13671",
      "dateAdded": "2022-01-18",
      "dueDate": "2022-07-18",
      "product": "Drupal core",
      "requiredAction": "Apply updates per vendor instructions.",
      "shortDescription": "Improper sanitization in the extension file names is present in Drupal core.",
      "vendorProject": "Drupal",
      "vulnerabilityName": "Drupal core Un-restricted Upload of File"
    },
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "security@drupal.org",
        "ID": "CVE-2020-13671",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Drupal Core",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "9.0 versions prior to 9.0.8"
                        },
                        {
                          "version_value": "8.9 versions prior to 8.9.9"
                        },
                        {
                          "version_value": "8.8 versions prior to 8.8.11"
                        },
                        {
                          "version_value": "7 versions prior to 7.74"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Drupal"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "Drupal core does not properly sanitize certain filenames on uploaded files, which can lead to files being interpreted as the incorrect extension and served as the wrong MIME type or executed as PHP for certain hosting configurations. This issue affects: Drupal Drupal Core 9.0 versions prior to 9.0.8, 8.9 versions prior to 8.9.9, 8.8 versions prior to 8.8.11, and 7 versions prior to 7.74."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "Remote code execution"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://www.drupal.org/sa-core-2020-012",
            "refsource": "CONFIRM",
            "url": "https://www.drupal.org/sa-core-2020-012"
          },
          {
            "name": "FEDORA-2020-6f1079934c",
            "refsource": "FEDORA",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KWM4CTMEGAC4I2CHYNJVSROY4CVXVEUT/"
          },
          {
            "name": "FEDORA-2020-d50d74d6f2",
            "refsource": "FEDORA",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5KSFM672XW3X6BR7TVKRD63SLZGKK437/"
          }
        ]
      }
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "\u003e=7.0,\u003c7.74||\u003e=8.8,\u003c8.8.11||\u003e=8.9,\u003c8.9.9||\u003e=9.0,\u003c9.0.8",
          "affected_versions": "All versions starting from 7.0 before 7.74, all versions starting from 8.8 before 8.8.11, all versions starting from 8.9 before 8.9.9, all versions starting from 9.0 before 9.0.8",
          "cvss_v2": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "cwe_ids": [
            "CWE-1035",
            "CWE-434",
            "CWE-937"
          ],
          "date": "2020-12-15",
          "description": "Drupal core does not properly sanitize certain filenames on uploaded files, which can lead to files being interpreted as the incorrect extension and served as the wrong MIME type or executed as PHP for certain hosting configurations.",
          "fixed_versions": [
            "8.0.0",
            "8.8.11",
            "8.9.9",
            "9.0.8"
          ],
          "identifier": "CVE-2020-13671",
          "identifiers": [
            "CVE-2020-13671"
          ],
          "not_impacted": "All versions before 7.0, all versions starting from 7.74 before 8.8, all versions starting from 8.8.11 before 8.9, all versions starting from 8.9.9 before 9.0, all versions starting from 9.0.8",
          "package_slug": "packagist/drupal/core-recommended",
          "pubdate": "2020-11-20",
          "solution": "Upgrade to versions 8.0.0, 8.8.11, 8.9.9, 9.0.8 or above.",
          "title": "Unrestricted Upload of File with Dangerous Type",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2020-13671",
            "https://www.drupal.org/sa-core-2020-012"
          ],
          "uuid": "9184d517-6159-4fcf-a5ad-3371254c78b0"
        },
        {
          "affected_range": "\u003e=7.0,\u003c7.74||\u003e=8.8,\u003c8.8.11||\u003e=8.9,\u003c8.9.9||\u003e=9.0,\u003c9.0.8",
          "affected_versions": "All versions starting from 7.0 before 7.74, all versions starting from 8.8 before 8.8.11, all versions starting from 8.9 before 8.9.9, all versions starting from 9.0 before 9.0.8",
          "cvss_v2": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "cwe_ids": [
            "CWE-1035",
            "CWE-434",
            "CWE-937"
          ],
          "date": "2020-12-15",
          "description": "Drupal core does not properly sanitize certain filenames on uploaded files, which can lead to files being interpreted as the incorrect extension and served as the wrong MIME type or executed as PHP for certain hosting configurations",
          "fixed_versions": [
            "7.74",
            "8.8.11",
            "8.9.9",
            "9.0.8"
          ],
          "identifier": "CVE-2020-13671",
          "identifiers": [
            "CVE-2020-13671"
          ],
          "not_impacted": "All versions before 7.0, all versions starting from 7.74 before 8.8, all versions starting from 8.8.11 before 8.9, all versions starting from 8.9.9 before 9.0, all versions starting from 9.0.8",
          "package_slug": "packagist/drupal/core",
          "pubdate": "2020-11-20",
          "solution": "Upgrade to versions 7.74, 8.8.11, 8.9.9, 9.0.8 or above.",
          "title": "Unrestricted Upload of File with Dangerous Type",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2020-13671",
            "https://www.drupal.org/sa-core-2020-012"
          ],
          "uuid": "4d175371-16e3-48b4-b34e-225290203029"
        },
        {
          "affected_range": "\u003e=7.0,\u003c7.74||\u003e=8.8,\u003c8.8.11||\u003e=8.9,\u003c8.9.9||\u003e=9.0,\u003c9.0.8",
          "affected_versions": "All versions starting from 7.0 before 7.74, all versions starting from 8.8 before 8.8.11, all versions starting from 8.9 before 8.9.9, all versions starting from 9.0 before 9.0.8",
          "cvss_v2": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "cwe_ids": [
            "CWE-1035",
            "CWE-434",
            "CWE-937"
          ],
          "date": "2020-12-15",
          "description": "Drupal core does not properly sanitize certain filenames on uploaded files, which can lead to files being interpreted as the incorrect extension and served as the wrong MIME type or executed as PHP for certain hosting configurations",
          "fixed_versions": [
            "9.0.8",
            "8.9.9",
            "8.8.11",
            "7.74"
          ],
          "identifier": "CVE-2020-13671",
          "identifiers": [
            "CVE-2020-13671"
          ],
          "not_impacted": "All versions before 7.0, all versions starting from 7.74 before 8.8, all versions starting from 8.8.11 before 8.9, all versions starting from 8.9.9 before 9.0, all versions starting from 9.0.8",
          "package_slug": "packagist/drupal/drupal",
          "pubdate": "2020-11-20",
          "solution": "Upgrade to versions 7.74, 8.8.11, 8.9.9, 9.0.8, or above",
          "title": "Unrestricted Upload of File with Dangerous Type",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2020-13671",
            "https://www.drupal.org/sa-core-2020-012"
          ],
          "uuid": "3f077eab-0ce2-422e-862a-dae26c887929"
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "7.74",
                "versionStartIncluding": "7.0",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "8.8.11",
                "versionStartIncluding": "8.8",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "8.9.9",
                "versionStartIncluding": "8.9",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "9.0.8",
                "versionStartIncluding": "9.0",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
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      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "security@drupal.org",
          "ID": "CVE-2020-13671"
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        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "Drupal core does not properly sanitize certain filenames on uploaded files, which can lead to files being interpreted as the incorrect extension and served as the wrong MIME type or executed as PHP for certain hosting configurations. This issue affects: Drupal Drupal Core 9.0 versions prior to 9.0.8, 8.9 versions prior to 8.9.9, 8.8 versions prior to 8.8.11, and 7 versions prior to 7.74."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
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        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.drupal.org/sa-core-2020-012",
              "refsource": "CONFIRM",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "https://www.drupal.org/sa-core-2020-012"
            },
            {
              "name": "FEDORA-2020-6f1079934c",
              "refsource": "FEDORA",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KWM4CTMEGAC4I2CHYNJVSROY4CVXVEUT/"
            },
            {
              "name": "FEDORA-2020-d50d74d6f2",
              "refsource": "FEDORA",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
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              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5KSFM672XW3X6BR7TVKRD63SLZGKK437/"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "SINGLE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 6.5,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 8.0,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2022-01-01T18:19Z",
      "publishedDate": "2020-11-20T16:15Z"
    }
  }
}


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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.